I used to believe that there were monsters that swam around in pipes underground and ate poop from toilets after you flushed them. And I also believed that sometimes they would get so greedy that they would bite you in the butt.
A childhood belief about fear of

others believed things like this
- I used to believe that monsters lived in my toilet and they ate my poop and urine when i flushed the toilet.Anon
- i used to think that your butt cheeks is where your poop was stored. Anon
- i used to think there were little mini oompa loompas inside of me that pushed the poop out of my buttAnon
- i used to believe that when i used the tolit a snake will come out and bite your butt. lolAnon
- I used to believe that crocodiles lived in the toilet and would bite my butt when I had to go to the loo.— Oz
- i used to think that when i was pooping a crocodile could come out of the toilet and bite my butt off.— derek